The Challenger 850 has one of the biggest cabins in it's class.
https://centraljetcharter.com/challenger-850.html THE CHALLENGER 850 INFORMATION "The CHALLENGER 850" delivers trans-continental ease with a non-stop range of 2,811 nautical miles (5,206 km). "Challenger 850 Cabin" challenger 850 cabin, challenger 850 inside, challenger 850 interior, private jet cabin, challenger 850, ultra long range jet, heavy jet The Challenger 850 Private Airplane engines and systems are designed for stringent airline safety standards result in peace of mind and outstanding dispatch and performance reliability. The largest private jet in the Bombardier range, the Challenger 850 offers excellent long range flight performance. The long flight range (2811 nm / 5206 km) combined with high cruise speeds of Mach 0.8 and Rockwell Collins airliner engines means this is a great charter choice for long range flights. The Bombardier Challenger 850's light and spacious cabin typically seats up to 14 passengers and include a aft and forward washroom, a...